Home / 346,315.20-519,521.40-109,633.20

Finding the Fourth Proportional to 346,315.20, 519,521.40 and 109,633.20

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Solution

The fourth proportional to 346,315.20, 519,521.40 and 109,633.20 is: 164,465.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,315.20 : 519,521.40 = 109,633.20 : x
  2. Step 2: Convert to fraction form
    346,315.20/519,521.40 = 109,633.20/x
  3. Step 3: Cross multiply
    346,315.20x = 519,521.40 × 109,633.20
  4. Step 4: Simplify right side
    346,315.20x = 56,956,793,550.48
  5. Step 5: Solve for x
    x = 56,956,793,550.48/346,315.20
  6. Step 6: Final answer
    x = 164,465.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.